Updated liblp fuzzers.

Added a check to avoid possible NPD when duplicate partitions are created and changed slot value range which is being fetched using FuzzedDataProvider.

exec/s: 16440
Test: ./liblp_builder_fuzzer
exec/s: 26412
Test: ./liblp_super_layout_builder_fuzzer
exec/s: 9178
Test: ./liblp_apis_fuzzer
Bug: 307978015

Change-Id: I63abc828cc3f4c44c1dd89a01acfb33dc08813b8